nixpkgs/pkgs/development/libraries/qt-5/5.4/qtbase/dlopen-gl.patch

17 lines
954 B
Diff

Index: qt-everywhere-opensource-src-5.4.2/qtbase/src/plugins/platforms/xcb/qglxintegration.cpp
===================================================================
--- qt-everywhere-opensource-src-5.4.2.orig/qtbase/src/plugins/platforms/xcb/qglxintegration.cpp
+++ qt-everywhere-opensource-src-5.4.2/qtbase/src/plugins/platforms/xcb/qglxintegration.cpp
@@ -560,7 +560,12 @@ void (*QGLXContext::getProcAddress(const
{
extern const QString qt_gl_library_name();
// QLibrary lib(qt_gl_library_name());
+ // Check system library paths first
QLibrary lib(QLatin1String("GL"));
+ if (!lib.load()) {
+ // Fallback to Mesa driver
+ lib.setFileName(QLatin1String("@mesa@/lib/libGL"));
+ }
glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
}
}